nRF24L01 Register definitions

Macros
#define	NRF_ENAA_ENAA_P5   5
#define	NRF_ENAA_ENAA_P4   4
#define	NRF_ENAA_ENAA_P3   3
#define	NRF_ENAA_ENAA_P2   2
#define	NRF_ENAA_ENAA_P1   1
#define	NRF_ENAA_ENAA_P0   0
#define	NRF_DYNPD_DPL_P5   5
#define	NRF_DYNPD_DPL_P4   4
#define	NRF_DYNPD_DPL_P3   3
#define	NRF_DYNPD_DPL_P2   2
#define	NRF_DYNPD_DPL_P1   1
#define	NRF_DYNPD_DPL_P0   0
#define	NRF_FEATURE_EN_DPL   2
#define	NRF_FEATURE_EN_ACK_PAY   1
#define	NRF_FEATURE_EN_DYN_ACK   0

- Instruction Set -
#define	NRF_R_REGISTER   0x00
#define	NRF_W_REGISTER   0x20
#define	REGISTER_MASK   0x1F
#define	NRF_R_RX_PAYLOAD   0x61
#define	NRF_W_TX_PAYLOAD   0xA0
#define	NRF_FLUSH_TX   0xE1
#define	NRF_FLUSH_RX   0xE2
#define	NRF_REUSE_TX_PL   0xE3
#define	NRF_R_RX_PAYLOAD_WID   0x60
#define	NRF_W_ACK_PAYLOAD   0xA8
#define	NRF_W_TX_PAYLOAD_NOACK   0xB0
#define	NRF_NOP   0xFF
#define	NRF_LOCK_UNLOCK   0x50

- Register Memory Map -
#define	NRF_CONFIG   0x00
#define	NRF_EN_AA   0x01
#define	NRF_EN_RXADDR   0x02
#define	NRF_SETUP_AW   0x03
#define	NRF_SETUP_RETR   0x04
#define	NRF_RF_CH   0x05
#define	NRF_RF_SETUP   0x06
#define	NRF_STATUS   0x07
#define	NRF_OBSERVE_TX   0x08
#define	NRF_RPD   0x09
#define	NRF_RX_ADDR_P0   0x0A
#define	NRF_RX_ADDR_P1   0x0B
#define	NRF_RX_ADDR_P2   0x0C
#define	NRF_RX_ADDR_P3   0x0D
#define	NRF_RX_ADDR_P4   0x0E
#define	NRF_RX_ADDR_P5   0x0F
#define	NRF_TX_ADDR   0x10
#define	NRF_RX_PW_P0   0x11
#define	NRF_RX_PW_P1   0x12
#define	NRF_RX_PW_P2   0x13
#define	NRF_RX_PW_P3   0x14
#define	NRF_RX_PW_P4   0x15
#define	NRF_RX_PW_P5   0x16
#define	NRF_FIFO_STATUS   0x17
#define	NRF_DYNPD   0x1C
#define	NRF_FEATURE   0x1D

CONFIG register bit definitions
* Bit Mnemonics */
#define	NRF_CONFIG_MASK_RX_DR   6
#define	NRF_CONFIG_MASK_TX_DS   5
#define	NRF_CONFIG_MASK_MAX_RT   4
#define	NRF_CONFIG_EN_CRC   3
#define	NRF_CONFIG_CRCO   2
#define	NRF_CONFIG_PWR_UP   1
#define	NRF_CONFIG_PRIM_RX   0

RF_SETUP register bit definitions
#define	NRF_SETUP_PLL_LOCK   4
#define	NRF_SETUP_RF_DR   3
#define	NRF_SETUP_RF_PWR1   2
#define	NRF_SETUP_RF_PWR0   1
#define	NRF_SETUP_LNA_HCURR   0

STATUS register bit definitions
#define	NRF_STATUS_RX_DR   6
#define	NRF_STATUS_TX_DS   5
#define	NRF_STATUS_MAX_RT   4
#define	NRF_STATUS_TX_FULL   0

FIFO_STATUS register bit definitions
#define	NRF_FIFOSTATUS_TX_REUSE   6
#define	NRF_FIFOSTATUS_TX_FIFO_FULL   5
#define	NRF_FIFOSTATUS_TX_EMPTY   4
#define	NRF_FIFOSTATUS_RX_FULL   1
#define	NRF_FIFOSTATUS_RX_EMPTY   0

Detailed Description

Header file defining register mapping with bit definitions. This file is radio-chip dependent, and are included with the hal_nrf.h

Macro Definition Documentation

#define NRF_CONFIG   0x00

nRF24L01 config register

#define NRF_CONFIG_CRCO   2

CONFIG register bit 2

#define NRF_CONFIG_EN_CRC   3

CONFIG register bit 3

#define NRF_CONFIG_MASK_MAX_RT   4

CONFIG register bit 4

#define NRF_CONFIG_MASK_RX_DR   6

CONFIG register bit 6

#define NRF_CONFIG_MASK_TX_DS   5

CONFIG register bit 5

#define NRF_CONFIG_PRIM_RX   0

CONFIG register bit 0

#define NRF_CONFIG_PWR_UP   1

CONFIG register bit 1

#define NRF_DYNPD   0x1C

nRF24L01 Dynamic payload setup

#define NRF_DYNPD_DPL_P0   0

dynamic payload enable

#define NRF_DYNPD_DPL_P1   1

dynamic payload enable

#define NRF_DYNPD_DPL_P2   2

dynamic payload enable

#define NRF_DYNPD_DPL_P3   3

dynamic payload enable

#define NRF_DYNPD_DPL_P4   4

dynamic payload enable

#define NRF_DYNPD_DPL_P5   5

dynamic payload enable

#define NRF_EN_AA   0x01

nRF24L01 enable Auto-Acknowledge register

#define NRF_EN_RXADDR   0x02

nRF24L01 enable RX addresses register

#define NRF_ENAA_ENAA_P0   0

dynamic payload enable

#define NRF_ENAA_ENAA_P1   1

dynamic payload enable

#define NRF_ENAA_ENAA_P2   2

dynamic payload enable

#define NRF_ENAA_ENAA_P3   3

dynamic payload enable

#define NRF_ENAA_ENAA_P4   4

dynamic payload enable

#define NRF_ENAA_ENAA_P5   5

dynamic payload enable

#define NRF_FEATURE   0x1D

nRF24L01 Exclusive feature setup

#define NRF_FEATURE_EN_ACK_PAY   1

dynamic payload enable

#define NRF_FEATURE_EN_DPL   2

dynamic payload enable

#define NRF_FEATURE_EN_DYN_ACK   0

dynamic payload enable

#define NRF_FIFO_STATUS   0x17

nRF24L01 FIFO status register

#define NRF_FIFOSTATUS_RX_EMPTY   0

FIFO_STATUS register bit 0

#define NRF_FIFOSTATUS_RX_FULL   1

FIFO_STATUS register bit 1

#define NRF_FIFOSTATUS_TX_EMPTY   4

FIFO_STATUS register bit 4

#define NRF_FIFOSTATUS_TX_FIFO_FULL   5

FIFO_STATUS register bit 5

#define NRF_FIFOSTATUS_TX_REUSE   6

FIFO_STATUS register bit 6

#define NRF_FLUSH_RX   0xE2

Flush RX register command

#define NRF_FLUSH_TX   0xE1

Flush TX register command

#define NRF_LOCK_UNLOCK   0x50

Lock/unlcok exclusive features

#define NRF_NOP   0xFF

No Operation command, used for reading status register

#define NRF_OBSERVE_TX   0x08

nRF24L01 transmit observe register

#define NRF_R_REGISTER   0x00

Register read command

#define NRF_R_RX_PAYLOAD   0x61

Read RX payload command

#define NRF_R_RX_PAYLOAD_WID   0x60

Read RX payload command

#define NRF_REUSE_TX_PL   0xE3

Reuse TX payload command

#define NRF_RF_CH   0x05

nRF24L01 RF channel register

#define NRF_RF_SETUP   0x06

nRF24L01 RF setup register

#define NRF_RPD   0x09

nRF24L01 receive power detect register

#define NRF_RX_ADDR_P0   0x0A

nRF24L01 receive address data pipe0

#define NRF_RX_ADDR_P1   0x0B

nRF24L01 receive address data pipe1

#define NRF_RX_ADDR_P2   0x0C

nRF24L01 receive address data pipe2

#define NRF_RX_ADDR_P3   0x0D

nRF24L01 receive address data pipe3

#define NRF_RX_ADDR_P4   0x0E

nRF24L01 receive address data pipe4

#define NRF_RX_ADDR_P5   0x0F

nRF24L01 receive address data pipe5

#define NRF_RX_PW_P0   0x11

nRF24L01 # of bytes in rx payload for pipe0

#define NRF_RX_PW_P1   0x12

nRF24L01 # of bytes in rx payload for pipe1

#define NRF_RX_PW_P2   0x13

nRF24L01 # of bytes in rx payload for pipe2

#define NRF_RX_PW_P3   0x14

nRF24L01 # of bytes in rx payload for pipe3

#define NRF_RX_PW_P4   0x15

nRF24L01 # of bytes in rx payload for pipe4

#define NRF_RX_PW_P5   0x16

nRF24L01 # of bytes in rx payload for pipe5

#define NRF_SETUP_AW   0x03

nRF24L01 setup of address width register

#define NRF_SETUP_LNA_HCURR   0

RF_SETUP register bit 0

#define NRF_SETUP_PLL_LOCK   4

RF_SETUP register bit 4

#define NRF_SETUP_RETR   0x04

nRF24L01 setup of automatic retransmission register

#define NRF_SETUP_RF_DR   3

RF_SETUP register bit 3

#define NRF_SETUP_RF_PWR0   1

RF_SETUP register bit 1

#define NRF_SETUP_RF_PWR1   2

RF_SETUP register bit 2

#define NRF_STATUS   0x07

nRF24L01 status register

#define NRF_STATUS_MAX_RT   4

STATUS register bit 4

#define NRF_STATUS_RX_DR   6

STATUS register bit 6

#define NRF_STATUS_TX_DS   5

STATUS register bit 5

#define NRF_STATUS_TX_FULL   0

STATUS register bit 0

#define NRF_TX_ADDR   0x10

nRF24L01 transmit address

#define NRF_W_ACK_PAYLOAD   0xA8

Write ACK payload command

#define NRF_W_REGISTER   0x20

Register write command

#define NRF_W_TX_PAYLOAD   0xA0

Write TX payload command

#define NRF_W_TX_PAYLOAD_NOACK   0xB0

Write ACK payload command